RM
Ruth Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Ruth Martin across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Grace & Howard — first a daughter (b.~1905), then head of a 6-person household.
Age 25
b. ~1905
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Martin |
| Given Name | Ruth J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Typist |
| Industry | Banking House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Typist |
| Township / Ward | Melrose City |
| Est. Birth Year | ~1905 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Martin | Daughter | — | 25 | ~1905 |
| Samuel Martin | Head | — | 57 | ~1873 |
| Grace Martin | Other | — | 57 | ~1873 |
| Janet Robbins | Other | — | 82 | ~1848 |
| Alice Mcleod | Other | — | 50 | ~1880 |
| Harold Martin | Son | — | 23 | ~1907 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ruth J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 15
Middlesex, Massachusetts · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ruth S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 25
Middlesex, Massachusetts · implied b. ~1905 — 6 household members
| Surname | Martin |
| Given Name | Ruth J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Typist |
| Industry | Banking House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ruth Martin across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: mother Grace Martin (~0.92 confidence) and father Howard Martin (~0.92 confidence) and mother Grace Martin (~0.92 confidence) and father Samuel Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Grace Martin
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Howard Martin
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Grace Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Samuel Martin
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
Ruth Martin
Daughter · 1930 · age 25 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
Harold Martin
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel925:0810)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert T Hay | 54 | Head | Lawyer | England |
| 52 | Elizabeth M Hay | 51 | Wife-H | — | Canada English |
| 53 | Fred A Wiggin | 53 | Head | — | Massachusetts |
| 54 | Ella C Wiggin | 65 | Wife-H | — | Massachusetts |
| 55 | Bessie Marsh | 57 | Servant | Servant | Canada English |
| 56 | Frederick Goff | 57 | Head | Private Secretary | Massachusetts |
| 57 | Beatrice Goff | 25 | Daughter | — | Massachusetts |
| 58 | Helen Macphee | 22 | Housekeeper | Housekeeper | Canada English |
| 59 | Nathaniel P Wendell | 70 | Head | Retired | New Hampshire |
| 60 | John H Duffill | 62 | Head | President | New Hampshire |
| 61 | Mattie B Duffill | 64 | Wife-H | — | New Hampshire |
| 62 | Helen L Duffill | 30 | Daughter | Attendant | Massachusetts |
| 63 | Raymond A Duffill | 20 | Son | — | Massachusetts |
| 64 | John Duffill | 20 | Son | — | Massachusetts |
| 65 | Jennie Hayes | 86 | Mother-in-law | — | New Hampshire |
| 66 | Arthur E Tangley | 42 | Head | — | Massachusetts |
| 67 | Anna D Tangley | 38 | Wife-H | Manufacturer | Massachusetts |
| 68 | Arthur E Jr Tangley | 9 | Son | — | Massachusetts |
| 69 | Nancy Tangley | 4 | Daughter | — | Massachusetts |
| 70 | Marcella Tangley | 1 | Daughter | — | Massachusetts |
| 71 | Henry B Diman | 72 | Father-in-law | Agent | Rhode Island |
| 72 | Agnes Maguire | 63 | Head-H | — | Canada English |
| 73 | Helen Maguire | 27 | Daughter | — | Massachusetts |
| 74 | George N Maguire | 22 | Son | — | Massachusetts |
| 75 | Nellie Coffey | 60 | Servant | Servant | Irish Free State |
| 76 | Anna Gaudet | 48 | Servant | Cook | Canada English |
| 77 | Samuel Martin | 57 | Head | Broker | Massachusetts |
| 78 | Grace Martin | 57 | Wife-H | — | Massachusetts |
| 79 | Ruth J Martin THIS PERSON | 25 | Daughter | Typist | Massachusetts |
| 80 | Harold Martin | 23 | Son | Stenographer | Massachusetts |
| 81 | Janet S Robbins | 82 | Mother-in-law | — | Massachusetts |
| 82 | Alice C Mcleod | 50 | Servant | Servant | Canada English |
| 83 | Alfred W Howorth | 45 | Head | Wholesale Merchant | New York |
| 84 | Clara F Howorth | 47 | Wife-H | — | Vermont |
| 85 | Barbara Howorth | 22 | Daughter | Stenographer | Massachusetts |
| 86 | Adeline Ahonen | 17 | Servant | Servant | Massachusetts |
| 87 | Lester R Moulton | 51 | Head | Manufacturer | Massachusetts |
| 88 | Minnie H Moulton | 47 | Wife-H | — | Maine |
| 89 | Lester R Jr Moulton | 22 | Son | — | Massachusetts |
| 90 | Virginia L Moulton | 18 | Daughter | — | Massachusetts |
| 91 | Delia M Nee | 28 | Servant | Servant | Irish Free State |
| 92 | Fred M Goss | 69 | Head | Salesman | Massachusetts |
| 93 | Alma L Goss | 62 | Wife-H | — | Maine |
| 94 | Charles M Field | 92 | Father-in-law | Retired | Maine |
| 95 | Lillian F Miller | 49 | Servant | Servant | Canada English |
| 96 | Benjamin Guppy | 60 | Head | Civil Engineer | New York |
| 97 | Frank C White | 42 | Head | Agent | Massachusetts |
| 98 | Margery C White | 37 | Wife-H | — | Massachusetts |
| 99 | Lawrence C White | 9 | Son | — | Massachusetts |
| 100 | Edith F White | 7 | Daughter | — | Massachusetts |
Related Census Records
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)